RLD65MZT1 Laser Diodes DVD-ROM red laser diode RLD65MZT1 For DVD-ROM, DVD player the strained multi quantum well of active layer is optimized that realized low threshold current and the good temperature characteristic. !Applications DVD-ROM DVD player Barcode readers Sensors !Features 1) Optimization of a strained multi quantum well realizes the reduction in threshold current, and the good temperature characteristic. 2) Low threshold current : 25mA (TC=25°C) 3) Low noise is realized by a high frequency modulation element.. !External dimensions (Units : mm) Equivalent circuit diagram 90°±2° 0.4±0.1 φ3.6 3 φ4.4+0 φ2.0±0.2 1.0±0.1 1 2 L.D. P.D. (1) (2) Glass window (1.27) 0.5min. Sub mount φ1.2max. 3−φ0.45 6.5±0.5 optical distance 1.35±0.08 (3) Laser chip 0.5max. 1.2±0.1 2.3±0.5 5.6 +0 −0.025 φ1.6 φ1min. M t y p e 1/2 RLD65MZT1 Laser Diodes !Absolute maximum ratings (Tc=25°C) Parameter Symbol Limits Unit PO 7 mW VR 2 V VR(PIN) 30 V Output Reverse voltage Raser PIN photodiode Operating temperature Topr −10 to +70 °C Storage temperature Tstg −40 to +85 °C !Electrical and optical characteristics (Tc=25°C) Parameter Symbol Min. Typ. Max. Unit Threshold current Ith − 25 60 mA Operating current Iop − 35 70 mA PO=5mW Operating voltage Vop − 2.3 2.6 V PO=5mW η 0.2 0.4 0.8 mW/mA Differential efficiency Conditions − − Im 0.1 0.2 0.5 mA PO=5mW Parallel divergence angle θ //∗ 7 8 10 deg PO=5mW Perpendicular divergence angle θ ⊥∗ 20 27 35 deg PO=5mW Parallel deviation angle ∆φ // −2 0 +2 deg PO=5mW Perpendicular deviation angle ∆φ ⊥ −3 0 +3 deg PO=5mW Emission point accuracy ∆X ∆Y ∆Z −80 0 +80 µm Peak emission wavelength λ 645 655 660 nm PO=5mW Astigmatism ∆ − − 10 µm PO=5mW Monitor current − ∗ θ // and θ ⊥ are defined as the angle within which the intensity is 50% of the peak value. !Electrical and optical characteristics curves 1.0 5 4 3 OPTICAL INTENSITY : PO (mW) 6 7 θ⊥ Tc=25°C 40°C 50°C 60°C 70°C 80°C INTENSITY OPTICAL POWER : PO (mW) 7 θ // 0.5 2 1 0 0 20 40 60 80 OPERATING CURRENT : Iop (mA) Fig.1 Optical output vs. operating current 100 0 −60 −40 −20 0 20 40 60 6 5 4 3 2 1 0 0 0.1 0.2 ANGLE (deg) MONITOR CURRENT : Im (mA) Fig.2 Far field pattern Fig.3 Monitor current vs. optical output 0.3 2/2